Unformatted text preview: r Numerator PDR is positively changing with the denominator (AAR). PDR is inversely changing with the numerator (IR& CR). 2. Direct method Plug in the numbers directly, to see how PDR changes. For example, in scenario 1, CR=100%, AAR=5%, IR=60%, then PDR = 0.05 =0.083 = 8.3% 60%*100% So, if IR↓, CR , AAR , ∝ ∝ PDR ↑...
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- Spring '08